An empty evaporating dish weighs 20.000 g. An unknown mixture containing Fe, NaCl, and SIO2 is dded to the dish and the dish and mixture together weigh 35.000 g. The mixture is then stirred horoughly with a magnet which is then removed, and the dish and remaining mixture weigh 29.550 1. After the extraction with several portions of water and drying the remaining solid, the dish and the emaining solid weigh 27.680 g. Calculate the mass and mass percent of Fe, NaCI, and SiO2 in this ample. Show all your work.
An empty evaporating dish weighs 20.000 g. An unknown mixture containing Fe, NaCl, and SIO2 is dded to the dish and the dish and mixture together weigh 35.000 g. The mixture is then stirred horoughly with a magnet which is then removed, and the dish and remaining mixture weigh 29.550 1. After the extraction with several portions of water and drying the remaining solid, the dish and the emaining solid weigh 27.680 g. Calculate the mass and mass percent of Fe, NaCI, and SiO2 in this ample. Show all your work.
Chemical Principles in the Laboratory
11th Edition
ISBN:9781305264434
Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi
Chapter6: Properties Of Hydrates
Section: Chapter Questions
Problem 1ASA: A student is given a sample of a pink manganese (II) chloride hydrate. She weighs the sample in a...
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Transcribed Image Text:An empty evaporating dish weighs 20.000 g. An unknown mixture containing Fe, NaCl, and SiO2 is
added to the dish and the dish and mixture together weigh 35.000 g. The mixture is then stirred
thoroughly with a magnet which is then removed, and the dish and remaining mixture weigh 29.550
g. After the extraction with several portions of water and drying the remaining solid, the dish and the
remaining solid weigh 27.680 g. Calculate the mass and mass percent of Fe, NaCI, and SiO2 in this
sample. Show all your work.
2-2
ment 2 Separation of a Mixture
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